Amelle Berrabah has reportedly quit the Sugababes – the third person to do so over the years. But one of those ex members, Mutya Buena, tells ITN she doesn’t believe it. “I don’t think they are breaking up. It’s just good publicity,” Mutyra remarked at a charity event for Ndoro Children’s Charities in London on Thursday. She added that reports her former bandmate Keisha Buchanan is a bully in the group weren’t what it was like when she was with the Sugababes. “I would not say Keisha is a bully, I never left because of her,” Mutya insisted. Watch the report below.